source/engineer/engineer.cpp

   1 #include <cmath>
   2 #include <limits>
   3 #include <GL/gl.h>
   4 #include <msp/core/except.h>
   5 #include <msp/core/getopt.h>
   6 #include <msp/gbase/display.h>
   7 #include <msp/gbase/window.h>
   8 #include <msp/gl/immediate.h>
   9 #include <msp/gl/matrix.h>
  10 #include <msp/gl/projection.h>
  11 #include <msp/gl/transform.h>
  12 #include <msp/strings/formatter.h>
  13 #include <msp/strings/lexicalcast.h>
  14 #include <msp/strings/regex.h>
  15 #include "engineer.h"
  16 #include "mainpanel.h"
  17 #include "trainpanel.h"
  18 #include "trainproperties.h"
  19
  20 using namespace std;
  21 using namespace Marklin;
  22 using namespace Msp;
  23
  24 #include <iostream>
  25
  26 Engineer::Engineer(int argc, char **argv):
  27         screen_w(1280),
  28         screen_h(960),
  29         fullscreen(false),
  30         layout(catalogue),
  31         layout_3d(layout),
  32         no_lighting(false),
  33         placing_train(0),
  34         placing_block(0),
  35         placing_entry(0),
  36         simulate(false),
  37         train_prop(0),
  38         train_prop_stale(false)
  39 {
  40         string res;
  41         bool   debug=false;
  42         string device="/dev/ttyS0";
  43         unsigned quality=4;
  44
  45         GetOpt getopt;
  46         getopt.add_option('r', "resolution",  res,         GetOpt::REQUIRED_ARG);
  47         getopt.add_option('f', "fullscreen",  fullscreen,  GetOpt::NO_ARG);
  48         getopt.add_option('g', "debug",       debug,       GetOpt::NO_ARG);
  49         getopt.add_option('d', "device",      device,      GetOpt::REQUIRED_ARG);
  50         getopt.add_option('q', "quality",     quality,     GetOpt::REQUIRED_ARG);
  51         getopt.add_option('s', "simulate",    simulate,    GetOpt::NO_ARG);
  52         getopt.add_option(     "no-lighting", no_lighting, GetOpt::NO_ARG);
  53         getopt(argc, argv);
  54
  55         if(!res.empty())
  56         {
  57                 if(RegMatch m=Regex("([1-9][0-9]*)x([1-9][0-9]*)").match(res))
  58                 {
  59                         screen_w=lexical_cast<unsigned>(m[1].str);
  60                         screen_h=lexical_cast<unsigned>(m[2].str);
  61                 }
  62                 else
  63                         throw UsageError("Invalid resolution");
  64         }
  65
  66         if(device!="none")
  67                 control.open(device);
  68
  69         control.set_debug(debug);
  70
  71         layout_3d.set_quality(quality);
  72
  73         catalogue.load("tracks.dat");
  74
  75         const vector<string> &args=getopt.get_args();
  76         if(args.empty())
  77                 throw UsageError("No layout given");
  78         layout.load(args.front());
  79
  80         trfc_mgr=new TrafficManager(control, layout);
  81         trfc_mgr->signal_block_reserved.connect(sigc::mem_fun(this, &Engineer::block_reserved));
  82
  83         const map<unsigned, Sensor *> &sensors=control.get_sensors();
  84         for(map<unsigned, Sensor *>::const_iterator i=sensors.begin(); i!=sensors.end(); ++i)
  85                 i->second->signal_state_changed.connect(sigc::bind(sigc::mem_fun(this, &Engineer::sensor_event), i->second));
  86
  87         view_all();
  88 }
  89
  90 Engineer::~Engineer()
  91 {
  92         delete trfc_mgr;
  93 }
  94
  95 Train *Engineer::add_train(unsigned addr)
  96 {
  97         if(addr==0)
  98         {
  99                 train_prop=new TrainProperties(*this, ui_res, 0);
 100                 root->add(*train_prop);
 101                 train_prop->signal_ok.connect(sigc::mem_fun(this, &Engineer::dismiss_train_prop));
 102                 train_prop_stale=false;
 103                 train_prop->set_visible(true);
 104
 105                 return 0;
 106         }
 107         else
 108         {
 109                 Locomotive *loco=new Locomotive(control, addr);
 110                 Train *train=new Train(*trfc_mgr, *loco);
 111                 train->set_name(format("Train %d", trfc_mgr->get_trains().size()));
 112
 113                 TrainPanel *tpanel=new TrainPanel(*this, ui_res, *train);
 114                 root->add(*tpanel);
 115                 int y=main_panel->get_geometry().y;
 116                 for(list<TrainPanel *>::iterator i=train_panels.begin(); i!=train_panels.end(); ++i)
 117                         y-=(*i)->get_geometry().h;
 118                 tpanel->set_position(0, y-tpanel->get_geometry().h);
 119                 train_panels.push_back(tpanel);
 120                 tpanel->set_visible(true);
 121
 122                 place_train(*train);
 123
 124                 return train;
 125         }
 126 }
 127
 128 void Engineer::place_train(Train &train)
 129 {
 130         placing_train=&train;
 131         placing_block=0;
 132         main_panel->set_status_text("Select location");
 133 }
 134
 135 int Engineer::main()
 136 {
 137         dpy=new Graphics::Display;
 138
 139         Graphics::WindowOptions wopt;
 140         wopt.width=screen_w;
 141         wopt.height=screen_h;
 142         wopt.fullscreen=fullscreen;
 143         wnd=new Graphics::Window(*dpy, wopt);
 144
 145         Graphics::GLOptions glopt;
 146         //glopt.multisample=4;
 147         glc=new Graphics::GLContext(*wnd, glopt);
 148
 149         wnd->signal_close.connect(sigc::bind(sigc::mem_fun(this, &Engineer::exit), 0));
 150         wnd->signal_button_press.connect(sigc::mem_fun(this, &Engineer::button_press));
 151         wnd->signal_button_release.connect(sigc::mem_fun(this, &Engineer::button_release));
 152         wnd->signal_pointer_motion.connect(sigc::mem_fun(this, &Engineer::pointer_motion));
 153
 154         glEnableClientState(GL_VERTEX_ARRAY);
 155         glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
 156         glEnable(GL_COLOR_MATERIAL);
 157         glDepthFunc(GL_LEQUAL);
 158         glEnable(GL_BLEND);
 159         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 160
 161         DataFile::load(ui_res, "engineer.res");
 162         root=new GLtk::Root(ui_res, *wnd);
 163         root->set_visible(true);
 164
 165         list<GL::Texture *> texs=ui_res.get_list<GL::Texture>();
 166         for(list<GL::Texture *>::iterator i=texs.begin(); i!=texs.end(); ++i)
 167         {
 168                 (*i)->set_min_filter(GL::NEAREST);
 169                 (*i)->set_mag_filter(GL::NEAREST);
 170         }
 171
 172         main_panel=new MainPanel(*this, ui_res);
 173         root->add(*main_panel);
 174         main_panel->set_position(0, screen_h-main_panel->get_geometry().h);
 175         main_panel->set_visible(true);
 176
 177         wnd->show();
 178
 179         Application::main();
 180
 181         delete glc;
 182         delete wnd;
 183         delete dpy;
 184
 185         return exit_code;
 186 }
 187
 188 void Engineer::tick()
 189 {
 190         dpy->tick();
 191
 192         control.tick();
 193         trfc_mgr->tick();
 194
 195         glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
 196
 197         project_3d();
 198         glLoadIdentity();
 199         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 200         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 201
 202         if(!no_lighting)
 203         {
 204                 glEnable(GL_LIGHTING);
 205                 glEnable(GL_LIGHT0);
 206                 float params[4];
 207                 params[0]=0;
 208                 params[1]=-0.2;
 209                 params[2]=1;
 210                 params[3]=0;
 211                 glLightfv(GL_LIGHT0, GL_POSITION, params);
 212         }
 213
 214         //glEnable(GL_DEPTH_TEST);
 215         glEnable(GL_MULTISAMPLE);
 216
 217         layout_3d.render();
 218
 219         glDisable(GL_LIGHTING);
 220         glColor4f(1, 1, 1, 1);
 221         const list<Track3D *> &ltracks=layout_3d.get_tracks();
 222         for(list<Track3D *>::const_iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 223         {
 224                 Track &track=(*i)->get_track();
 225                 if(track.get_turnout_id())
 226                 {
 227                         Turnout &trnt=control.get_turnout(track.get_turnout_id());
 228                         (*i)->render_route(trnt.get_route());
 229                 }
 230                 else
 231                         (*i)->render_route(-1);
 232         }
 233
 234         if(placing_train && placing_block)
 235         {
 236                 GL::push_matrix();
 237
 238                 const Marklin::Block::Endpoint &bep=placing_block->get_endpoints()[placing_entry];
 239                 float rot=bep.track->get_endpoint_direction(bep.track_ep);
 240                 Point pos=bep.track->get_endpoint_position(bep.track_ep);
 241
 242                 GL::translate(pos.x, pos.y, pos.z+0.03);
 243                 GL::rotate(rot*180/M_PI+180, 0, 0, 1);
 244                 GL::Texture::unbind();
 245
 246                 GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
 247                 imm.color(1.0f, 1.0f, 1.0f);
 248                 imm.begin(GL::TRIANGLE_FAN);
 249                 imm.vertex(0.08,   0);
 250                 imm.vertex(0.05,   0.03);
 251                 imm.vertex(0.05,   0.01);
 252                 imm.vertex(0,      0.01);
 253                 imm.vertex(0,     -0.01);
 254                 imm.vertex(0.05,  -0.01);
 255                 imm.vertex(0.05,  -0.03);
 256                 imm.end();
 257
 258                 GL::pop_matrix();
 259         }
 260
 261         GL::matrix_mode(GL::PROJECTION);
 262         GL::load_identity();
 263         GL::ortho_bottomleft(screen_w, screen_h);
 264         GL::matrix_mode(GL::MODELVIEW);
 265         GL::load_identity();
 266
 267         glDisable(GL_DEPTH_TEST);
 268         glDisable(GL_LIGHTING);
 269         glDisable(GL_MULTISAMPLE);
 270
 271         root->render();
 272
 273         if(train_prop_stale)
 274         {
 275                 delete train_prop;
 276                 train_prop=0;
 277         }
 278
 279         glc->swap_buffers();
 280 }
 281
 282 void Engineer::key_press(unsigned key, unsigned mod, wchar_t ch)
 283 {
 284         if(train_prop)
 285                 train_prop->key_press(key, mod, ch);
 286 }
 287
 288 void Engineer::button_press(int x, int y, unsigned btn, unsigned)
 289 {
 290         if(placing_train)
 291         {
 292                 if(btn==1 && placing_block && !placing_block->get_train())
 293                 {
 294                         set_block_color(*placing_block, GL::Color(1, 1, 1));
 295
 296                         placing_train->place(placing_block, placing_entry);
 297                         placing_train=0;
 298                         main_panel->set_status_text(string());
 299                 }
 300                 else if(btn==3)
 301                 {
 302                         const vector<Block::Endpoint> &endpoints=placing_block->get_endpoints();
 303                         placing_entry=(placing_entry+1)%endpoints.size();
 304                 }
 305         }
 306         else
 307         {
 308                 Track3D *track=pick_track(x, screen_h-y-1);
 309                 if(track)
 310                 {
 311                         if(unsigned tid=track->get_track().get_turnout_id())
 312                         {
 313                                 Turnout &turnout=control.get_turnout(tid);
 314                                 turnout.set_route(1-turnout.get_route());
 315                         }
 316                         else if(simulate)
 317                         {
 318                                 if(unsigned sid=track->get_track().get_sensor_id())
 319                                 {
 320                                         Sensor &sensor=control.get_sensor(sid);
 321                                         control.signal_sensor_event.emit(sid, !sensor.get_state());
 322                                 }
 323                         }
 324                 }
 325         }
 326 }
 327
 328 void Engineer::button_release(int, int, unsigned, unsigned)
 329 {
 330 }
 331
 332 void Engineer::pointer_motion(int x, int y)
 333 {
 334         if(placing_train)
 335         {
 336                 Track3D *track=pick_track(x, screen_h-y-1);
 337                 if(track && placing_train)
 338                 {
 339                         Block &block=trfc_mgr->get_block_by_track(track->get_track());
 340                         if(&block!=placing_block)
 341                         {
 342                                 if(placing_block)
 343                                         reset_block_color(*placing_block);
 344                                 placing_block=&block;
 345                                 placing_entry=0;
 346                                 set_block_color(*placing_block, GL::Color(0.5, 1, 0.7));
 347                         }
 348                 }
 349                 else if(track && track->get_track().get_turnout_id())
 350                         main_panel->set_status_text(format("Turnout %d", track->get_track().get_turnout_id()));
 351                 else if(!placing_train)
 352                         main_panel->set_status_text(string());
 353         }
 354 }
 355
 356 void Engineer::view_all()
 357 {
 358         const list<Track3D *> &tracks=layout_3d.get_tracks();
 359
 360         cam_rot=0;
 361         float best_height=-1;
 362         float mid_x=0;
 363         float mid_y=0;
 364         for(float angle=0; angle<M_PI; angle+=0.01)
 365         {
 366                 float min_x=0;
 367                 float max_x=0;
 368                 float min_y=0;
 369                 float max_y=0;
 370                 for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 371                 {
 372                         Point minp, maxp;
 373                         (*i)->get_bounds(angle, minp, maxp);
 374                         min_x=min(min_x, minp.x);
 375                         max_x=max(max_x, maxp.x);
 376                         min_y=min(min_y, minp.y);
 377                         max_y=max(max_y, maxp.y);
 378                 }
 379
 380                 float width=max_x-min_x;
 381                 float height=max_y-min_y;
 382                 height=max(height, width);
 383
 384                 if(height<best_height || best_height<0)
 385                 {
 386                         cam_rot=angle;
 387                         best_height=height;
 388                         mid_x=(min_x+max_x)/2;
 389                         mid_y=(min_y+max_y)/2;
 390                 }
 391         }
 392
 393         float c=cos(cam_rot);
 394         float s=sin(cam_rot);
 395         cam_pos.x=c*mid_x-s*mid_y;
 396         cam_pos.y=s*mid_x+c*mid_y;
 397         cam_pos.z=max(best_height*1.05/0.82843, 0.15);
 398 }
 399
 400 void Engineer::set_block_color(const Block &block, const GL::Color &color)
 401 {
 402         const set<Track *> &tracks=block.get_tracks();
 403         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 404                 layout_3d.get_track(**i).set_color(color);
 405 }
 406
 407 void Engineer::reset_block_color(const Block &block)
 408 {
 409         if(unsigned sid=block.get_sensor_id())
 410         {
 411                 Sensor &sensor=control.get_sensor(sid);
 412                 if(sensor.get_state())
 413                 {
 414                         set_block_color(block, GL::Color(1, 0.5, 0.3));
 415                         return;
 416                 }
 417         }
 418
 419         if(block.get_train())
 420                 set_block_color(block, GL::Color(1, 1, 0.3));
 421         else
 422                 set_block_color(block, GL::Color(1, 1, 1));
 423 }
 424
 425 void Engineer::sensor_event(bool, Sensor *sensor)
 426 {
 427         const list<Block *> &blocks=trfc_mgr->get_blocks();
 428         for(list<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
 429                 if((*i)->get_sensor_id()==sensor->get_address())
 430                         reset_block_color(**i);
 431 }
 432
 433 void Engineer::block_reserved(const Block &block, const Train *)
 434 {
 435         reset_block_color(block);
 436 }
 437
 438 void Engineer::project_3d()
 439 {
 440         glMatrixMode(GL_PROJECTION);
 441         glLoadIdentity();
 442         float offset=200.0/screen_w*0.055228;
 443         glFrustum(-0.055228-offset, 0.055228-offset, -0.041421, 0.041421, 0.1, 10);
 444         glMatrixMode(GL_MODELVIEW);
 445 }
 446
 447 Track3D *Engineer::pick_track(int x, int y)
 448 {
 449         float xx=(static_cast<float>(x-static_cast<int>(screen_w)/2-100)/screen_h)*0.82843;
 450         float yy=(static_cast<float>(y)/screen_h-0.5)*0.82843;
 451         float size=4.0/screen_h*0.82843;
 452
 453         project_3d();
 454         glLoadIdentity();
 455         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 456         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 457
 458         return layout_3d.pick_track(xx, yy, size);
 459 }
 460
 461 void Engineer::dismiss_train_prop()
 462 {
 463         train_prop_stale=true;
 464 }
 465
 466 Application::RegApp<Engineer> Engineer::reg;